Security Affairs

NOVEMBER 19, 2023

8Base ransomware operators were observed using a variant of the Phobos ransomware in a recent wave of attacks. Cisco Talos researchers observed 8Base ransomware operators using a variant of the Phobos ransomware in recent attacks. The ransomware component is then decrypted and loaded into the SmokeLoader process’ memory.

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Security Affairs

AUGUST 31, 2021

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. LockFile ransomware gang started its operations last month, recently it was spotted targeting Microsoft Exchange servers using the recently disclosed ProxyShell vulnerabilities.

Encryption 104

Encryption Ransomware Financial Services Antivirus 104

Security Affairs

FEBRUARY 21, 2022

Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data. Researchers discovered a flaw in the encryption algorithm used by Hive ransomware that allowed them to decrypt data without knowing the private key used by the gang to encrypt files.

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Encryption Ransomware VPN Malware 88

Security Affairs

FEBRUARY 7, 2023

A new Linux variant of the Clop ransomware has been observed in the wild, the good news is that its encryption algorithm is flawed. SentinelLabs researchers have observed the first Linux variant of the Clop ransomware. This generated RC4 key is used to encrypt the mappedAddress and write it back to the file.”

Encryption 87

Encryption Ransomware Cybercrime Engineering 87

Security Affairs

JULY 6, 2022

Hive ransomware operators have improved their file-encrypting module by migrating to Rust language and adopting a more sophisticated encryption method. ” These upgrades prove that Hive is one of the fastest evolving ransomware families in the cybercrime ecosystem. . ” reads the post published by Microsoft.

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Encryption Ransomware Cybercrime Malware 113

Security Affairs

JANUARY 2, 2024

A team of researchers released a suite of tools that could help victims to decrypt data encrypted with by the Black Basta ransomware. Independent security research and consulting team SRLabs discovered a vulnerability in Black Basta ransomware’s encryption algorithm and exploited it to create a free decryptor.

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Security Affairs

JULY 29, 2021

ransomware is now able to encrypt Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. ransomware that encrypts Windows domains by using Active Directory group policies. Like other ransomware operations, LockBit 2.0

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Encryption Ransomware Malware Hacking 143

Security Affairs

OCTOBER 29, 2021

The Hive ransomware operators have developed a new variant of their malware that can encrypt Linux and FreeBSD. ESET researchers discovered a new Hive ransomware variant that was specifically developed to encrypt Linux and FreeBSD. ESETresearch has identified Linux and FreeBSD variants of the #Hive #Ransomware.

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Encryption Ransomware Spyware Malware 105

Security Affairs

JANUARY 30, 2024

Energy management and industrial automation firm Schneider Electric suffered a data breach after a Cactus ransomware attack. The attack was carried out by the Cactus ransomware gang , which claims to have stolen terabytes of corporate data from the company. The Cactus ransomware relies on multiple legitimate tools (e.g.

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Ransomware Hacking Data breaches Digital transformation 123

Security Affairs

DECEMBER 1, 2023

The popular cybersecurity researcher Patrick Wardle dissected the new macOS ransomware Turtle used to target Apple devices. The popular cyber security researcher Patrick Wardle published a detailed analysis of the new macOS ransomware Turtle. The malware adds the extension “ TURTLERANSv0 ” to the filenames of encrypted files.

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CyberSecurity Insiders

FEBRUARY 21, 2023

All these days we have read about ransomware spreading groups stealing data and then threatening to release it online, if the victim fails to pay heed to their demands. But now a new file encrypting malware variant has emerged onto the block that demands ransom, based on the insurance cover.

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Insurance Ransomware Cyber Insurance Encryption 124

Security Affairs

SEPTEMBER 1, 2023

Researchers released a free decryptor for the Key Group ransomware that allows victims to recover their data without paying a ransom. Threat intelligence firm EclecticIQ released a free decryption tool for the Key Group ransomware (aka keygroup777) that allows victims to recover their data without paying a ransom.

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Ransomware Encryption Backups Malware 110

Security Affairs

FEBRUARY 13, 2024

Authorities in Romania reported that at least 100 hospitals went offline after a ransomware attack hit the Hipocrate platform. Authorities in Romania confirmed that a ransomware attack that targeted the Hipocrate Information System (HIS) has disrupted operations for at least 100 hospitals. BTC (about 157,000 EURO).

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Ransomware Backups Encryption Healthcare 109

Security Affairs

DECEMBER 22, 2022

The Vice Society ransomware group has adopted new custom ransomware, with a strong encryption scheme, in recent intrusions. SentinelOne researchers discovered that the Vice Society ransomware gang has started using a custom ransomware that implements a robust encryption scheme, using NTRUEncrypt and ChaCha20-Poly1305 algorithms.

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Ransomware Encryption Malware Education 124

Security Affairs

SEPTEMBER 2, 2022

Uptycs researchers recently spotted a new Linux ransomware that appears to be under active development. The Uptycs Threat Research team recently observed an Executable and Linkable Format ( ELF ) ransomware which encrypts the files inside Linux systems based on the given folder path. Figure 1: DarkAngels ransomware README.

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Security Affairs

MAY 25, 2020

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. and the Ragnar Locker ransomware executable will automatically be present in the root of the C: drive.

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Encryption Ransomware Energy and Utilities Advertising 96

Security Affairs

FEBRUARY 2, 2021

Ransomware operators are exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992, to encrypt virtual hard disks. Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Pierluigi Paganini.

Encryption 91

Encryption Ransomware System Administration Hacking 91

Security Affairs

JUNE 3, 2023

Experts noticed that the new Linux ransomware BlackSuit has significant similarities with the Royal ransomware family. Royal ransomware is one of the most notable ransomware families of 2022, it made the headlines in early May 2023 with the attack against the IT systems in Dallas, Texas. Extension: blacksuit.

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Ransomware Healthcare Encryption Manufacturing 94

Security Affairs

NOVEMBER 12, 2023

The Lorenz ransomware gang has been active since April 2021 and hit multiple organizations worldwide demanding hundreds of thousands of dollars in ransom to the victims. At the time of this writing, the Loren group has started uploading the stolen data (95%) US Healthcare organizations continue to be a privileged target of ransomware gangs.

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Ransomware Healthcare Encryption Cyber Attacks 122

Security Affairs

FEBRUARY 19, 2024

The Cactus ransomware gang claims the theft of 1.5TB of data from the Energy management and industrial automation firm Schneider Electric. The Cactus ransomware group claims responsibility for pilfering 1.5TB of data from the Energy management and industrial automation giant Schneider Electric.

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Ransomware Digital transformation Retail Antivirus 100

Security Affairs

AUGUST 15, 2023

Monti Ransomware operators returned, after a two-month pause, with a new Linux variant of their encryptor. The Monti ransomware operators returned, after a two-month break, with a new Linux version of the encryptor. The Monti group has been active since June 2022, shortly after the Conti ransomware gang shut down its operations.

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Ransomware Encryption Malware Hacking 93

Security Affairs

DECEMBER 6, 2022

Researchers spotted a version of the open-source ransomware toolkit Cryptonite that doesn’t support decryption capabilities. Fortinet researchers discovered a sample of malware generated with the publicly available open-source ransomware toolkit Cryptonite that never offers the decryption window, turning it as a wiper.

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Ransomware Encryption Malware Architecture 122

Security Affairs

DECEMBER 19, 2022

Researchers spotted a new variant of the Agenda ransomware which is written in the cross-platform programming language Rust. Trend Micro researchers have spotted a new variant of the Agenda ransomware (aka Qilin) that is written in Rust Language. The researchers estimated that combined revenue surpasses US$550 million. AGENDA.THIAFBB.”

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Ransomware Encryption Healthcare Education 122

Security Affairs

JULY 20, 2022

Kaspersky researchers discovered a new ransomware family written in Rust, named Luna, that targets Windows, Linux, and ESXi systems. Researchers from Kaspersky Lab detailed a new ransomware family named Luna, which is written in Rust and is able to target Windows, Linux, and ESXi systems. A notable example includes BlackCat and Hive.

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Ransomware Encryption Malware Advertising 129

Security Affairs

JANUARY 9, 2024

The LockBit ransomware gang claimed responsibility for the cyber attack on the Capital Health hospital network. The LockBit ransomware operation has claimed responsibility for the cyberattack that hit the Capital Health hospital network in November 2023. It also announced additional security measures to protect its infrastructure.

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Ransomware Healthcare Encryption Cyber Attacks 100

Security Affairs

SEPTEMBER 9, 2022

Iran-linked APT group DEV-0270 (aka Nemesis Kitten) is abusing the BitLocker Windows feature to encrypt victims’ devices. Microsoft Security Threat Intelligence researchers reported that Iran-linked APT group DEV-0270 ( Nemesis Kitten ) has been abusing the BitLocker Windows feature to encrypt victims’ devices.

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Encryption Internet Internet Firewall 116

Security Affairs

JULY 1, 2023

Avast released a free decryptor for the Akira ransomware that can allow victims to recover their data without paying the ransom. Cybersecurity firm Avast released a free decryptor for the Akira ransomware that can allow victims to recover their data without paying the ransom. Files are encrypted by Chacha 2008 ( D.

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Ransomware Encryption Malware Hacking 98

Security Affairs

DECEMBER 28, 2023

A Lockbit ransomware attack against the German hospital network Katholische Hospitalvereinigung Ostwestfalen (KHO) caused service disruptions at three hospitals. The security incident could have a serious impact on the local population due to the interruption of the medical emergencies. the timeline for which cannot yet be predicted.

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Ransomware Encryption Cyber Attacks Hacking 109

Security Affairs

JULY 15, 2022

Cyble researchers warn of three new ransomware operations named Lilith, RedAlert and 0mega targeting organizations worldwide. Researchers from threat intelligence firm Cyble warn of new ransomware gangs that surfaced recently, named Lilith, RedAlert, and 0mega. The ransomware targets a limited types of files, including log files (.log),

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Ransomware Encryption Malware Hacking 123

Security Affairs

DECEMBER 14, 2021

Bitdefender researchers discovered that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. Experts warn that threat actors are attempting to exploit the Log4Shell flaw to deliver the new Khonsari ransomware on Windows machines. SecurityAffairs – hacking, ransomware).

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Ransomware Encryption Engineering Malware 142

Security Affairs

NOVEMBER 24, 2022

RansomExx ransomware is the last ransomware in order of time to have a version totally written in the Rust programming language. The operators of the RansomExx ransomware (aka Defray777 and Ransom X) have developed a new variant of their malware, tracked as RansomExx2, that was ported into the Rust programming language.

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Ransomware Encryption Malware Manufacturing 98

CyberSecurity Insiders

JUNE 29, 2023

Granules, the Indian Pharmaceutical company that manufactures Paracetamol has released an official statement that a ransomware attack that targeted its servers last month has resulted in substantial loss of revenue and profitability.

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Ransomware Backups Manufacturing Encryption 83

Security Affairs

DECEMBER 26, 2019

Experts spotted a new strain of the Ryuk Ransomware that was developed to avoid encrypting folders commonly seen in *NIX operating systems. Kremez noticed that the ransomware doesn’t encrypt folders that are associated with *NIX operating systems. 2019-12-21: #Ryuk #Ransomware as V2.EXE Pierluigi Paganini.

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Encryption Ransomware Malware Advertising 60

Security Affairs

JANUARY 17, 2022

The operators of the SFile ransomware (aka Escal) have developed a Linux version of their malware to expand their operations. SFile ransomware (aka Escal), has been active since 2020 , it was observed targeting only Windows systems. Recently, Rising captured the Linux platform variant of the ransomware.”

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Security Affairs

OCTOBER 15, 2023

The Alphv ransomware group added the Morrison Community Hospital to its dark web leak site. The ALPHV/BlackCat ransomware group claims to have hacked the Morrison Community Hospital and added it to its dark web Tor leak site. Its policy forbids to encrypt systems of organizations where damage could lead to the death of individuals.

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Ransomware Healthcare Data breaches Cyber Attacks 120

Security Affairs

MAY 18, 2021

Researchers at Tesorion released a decryptor for Judge ransomware that also decrypts files encrypted by the NoCry ransomware. In January this year, we published a blog post on our analysis of the Judge ransomware. After a few months, BleepingComputer wrote about a new variant of the Stupid ransomware, called NoCry.

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Security Affairs

JANUARY 6, 2023

Microsoft warns of different ransomware families (KeRanger, FileCoder, MacRansom, and EvilQuest) targeting Apple macOS systems. Microsoft Security Threat Intelligence team warns of four different ransomware families ( KeRanger , FileCoder , MacRansom , and EvilQuest ) that impact Apple macOS systems.

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